<template>
  <!-- 重置密码 -->
  <el-card class="box-card">
    <div slot="header" class="clearfix">
      <span>重置密码</span>
    </div>
    <!-- 表单 -->
    <el-form
      :model="pwdForm"
      :rules="pwdFormRules"
      ref="pwdFormRef"
      label-width="100px"
    >
      <!-- 原密码输入框 -->
      <el-form-item label="原密码" prop="old_pwd">
        <el-input v-model="pwdForm.old_pwd" type="password"></el-input>
      </el-form-item>
      <!--  新密码输入框-->
      <el-form-item label="新密码" prop="new_pwd">
        <el-input v-model="pwdForm.new_pwd" type="password"></el-input>
      </el-form-item>
      <!--  确认新密码输入框-->
      <el-form-item label="确认新密码" prop="re_pwd">
        <el-input v-model="pwdForm.re_pwd" type="password"></el-input>
      </el-form-item>
      <!-- 修改密码 重置 按钮 -->
      <el-form-item>
        <el-button type="primary" @click="updatePwdFn">修改密码</el-button>
        <el-button @click="resetFn">重置</el-button>
      </el-form-item>
    </el-form>
  </el-card>
</template>

<script>
import { updatePwdApi } from '@/api';
export default {
  name: 'UserPwd',
  data() {
    //新旧密码不能相同
    const samePwd = (rules, value, callback) => {
      if (this.pwdForm.old_pwd === value) {
        callback(new Error('新旧密码不能一致！'));
      } else {
        callback();
      }
    };
    //确认密码和新密码要一致
    const rePwd = (rules, value, callback) => {
      if (this.pwdForm.new_pwd !== value) {
        callback(new Error('两次输入的密码不相同'));
      } else {
        callback();
      }
    };
    return {
      // 表单的数据对象
      pwdForm: {
        old_pwd: '', //旧密码
        new_pwd: '', //新密码
        re_pwd: '', //确认新密码
      },
      // 表单的验证规则对象
      pwdFormRules: {
        old_pwd: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            pattern: /^\S{6,15}$/,
            message: '密码长度必须是6-15位的非空字符串',
            trigger: 'blur',
          },
        ],
        new_pwd: [
          { required: true, message: '请输入新密码', trigger: 'blur' },
          {
            pattern: /^\S{6,15}$/,
            message: '密码长度必须是6-15位的非空字符串',
            trigger: 'blur',
          },
          { validator: samePwd, trigger: 'blur' },
        ],
        re_pwd: [
          { required: true, message: '请再次确认新密码', trigger: 'blur' },
          {
            pattern: /^\S{6,15}$/,
            message: '密码长度必须是6-15位的非空字符串',
            trigger: 'blur',
          },
          { validator: rePwd, trigger: 'blur' },
        ],
      },
    };
  },
  methods: {
    updatePwdFn() {
      //更新密码点击事件
      this.$refs.pwdFormRef.validate(async (valid) => {
        if (valid) {
          const { data: res } = await updatePwdApi(this.pwdForm);
          if (res.code !== 0)
            return this.$message.error('旧密码有误，请重新输入');
          this.$message.success('更新密码成功！');
          this.$refs.pwdFormRef.resetFields();
          //重置密码后 被动退出
          this.$store.commit('updateToken', '');
          this.$store.commit('updateToken', {});
          this.$router.push('/login');
        } else {
          return false;
        }
      });
    },
    resetFn() {
      //重置事件
      this.$refs.pwdFormRef.resetFields();
    },
  },
};
</script>

<style lang="less" scoped>
.el-form {
  width: 500px;
}
</style>